xworm | 1b6d0960335318a18ad8ac01f336918fdd385bb1002a9c001652f028f31f04b7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2025, 16:12

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General

Target

ExcellentFree.exe
Size

343KB
MD5

1dada3e7f8778a0ded097e5f07acce8f
SHA1

378904782a01e891084e8bf4a1972c747e74776d
SHA256

1b6d0960335318a18ad8ac01f336918fdd385bb1002a9c001652f028f31f04b7
SHA512

3f4ad9f710e2654a52b2bdf88b63b6c1eadacd424996fb397fe983734fe4e405761c0e79fb4ff0c15240ee52d2b98c5bffc55f9934645a8ee851ff00c2b3771a
SSDEEP

6144:k0mlj5Nx1eN0wPZoZgMM6V2A1swXSCjYh/MjQX4amGVpOrPMDNJLANeUz/A8:+55X0N0wP6njeUjQoxdP8J8NeUzY8

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

all-advocacy.gl.at.ply.gg:33270

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000023d2d-4.dat	family_xworm
behavioral1/memory/3552-24-0x00000000008F0000-0x000000000090A000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	ExcellentFree.exe

Executes dropped EXE 2 IoCs

pid	Process
3552	ExcellentDll.exe
184	ExLoader.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
28	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ExcellentFree.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	ExcellentDll.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3552	3644	ExcellentFree.exe	86
PID 3644 wrote to memory of 3552	3644	ExcellentFree.exe	86
PID 3644 wrote to memory of 184	3644	ExcellentFree.exe	87
PID 3644 wrote to memory of 184	3644	ExcellentFree.exe	87

C:\Users\Admin\AppData\Local\Temp\ExcellentFree.exe
"C:\Users\Admin\AppData\Local\Temp\ExcellentFree.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Users\Admin\AppData\Local\Temp\ExcellentDll.exe
  "C:\Users\Admin\AppData\Local\Temp\ExcellentDll.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3552
- C:\Users\Admin\AppData\Local\Temp\ExLoader.exe
  "C:\Users\Admin\AppData\Local\Temp\ExLoader.exe"
  2⤵
  - Executes dropped EXE
  PID:184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ExLoader.exe

Filesize
374KB

MD5
4183f8ec375a90742d38b1d69d136f92

SHA1
a630ecdb41aaa0982fad2775dd6114d20a5e0081

SHA256
ec8c87c21a99ec03772008304fe1a8a3261aa0beecafa7066c456069b66a33c6

SHA512
5c23e9cfdadb4de5d57130d6fead4b072ee3034554d8ba17b0d8935eac75f8986f9648ca225ea3c10757fe888cc049634872ee0278953906a735f5242d8ac060

Download Submit
C:\Users\Admin\AppData\Local\Temp\ExcellentDll.exe

Filesize
75KB

MD5
c22d02b0ac43ede0572dac548ea3e166

SHA1
4ca1b4302e08886c1b3cc0ed533642bf48437b73

SHA256
b4737189544333094a24e88e3f31bf0965dfdd41b1742225ac8206591fcc71ea

SHA512
cbb500699155bfd6fb52698e7c49dc6618b1a1db18235a8ad5fc40d9ed5c62731d2c5fdc3c62052d2e66b5b649506f9d4f36b9d873446a0566e4a11f084093eb

Download Submit
memory/3552-16-0x00007FFE9E813000-0x00007FFE9E815000-memory.dmp

Filesize
8KB

Download
memory/3552-24-0x00000000008F0000-0x000000000090A000-memory.dmp

Filesize
104KB

Download
memory/3552-25-0x00007FFE9E813000-0x00007FFE9E815000-memory.dmp

Filesize
8KB

Download
memory/3552-26-0x00007FFE9E810000-0x00007FFE9F2D1000-memory.dmp

Filesize
10.8MB

Download
memory/3552-27-0x00007FFE9E810000-0x00007FFE9F2D1000-memory.dmp

Filesize
10.8MB

Download